Plank Exercise Made Fun – Game Your Core…
The amazing stealth core trainer is now in full production.
Over 3000 people backed the Stealth on kickstarter and indiegogo. Now you can get a lean fit core in as little as 3 minutes a day. Never do boring planks again.
Say good-bye to the static plank. The Stealth Core Trainer uses game play technology to create dynamic planking causing you to engage over 29 core muscles in as little as 2 minutes.